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Chapter 4 - Operation and Administration
channel in the uplink for ACK/NACK signaling. Asynchronous operations allow
variable delay between retransmissions, which provides greater flexibility for the
scheduler.
In the current release HARQ is not configurable: It is enabled by default with 4
repetitions for Management, Data, PPPoE, Reliable Video, and Optimized Video
Service Profiles, and with 1 repetition for VoIP Service Profiles.
4.6.2.5
QoS Profiles
The QoS Profile submenu option for a selected Service Profile enables managing
the QoS Profiles assigned to the Service Profile. At least one QoS Profile must be
assigned to each Service Profile, up to a maximum of four QoS Profiles per Service
Profile.
Each QoS Profile includes the following components:
QoS Profile ID
Uplink QoS Type
Uplink CP
Uplink QoS Parameter(s) - according to Uplink QoS Type
Downlink QoS Type
Downlink CP
Downlink QoS Parameter(s)- according to Downlink QoS Type
4.6.2.5.1
QoS Profile ID
This is an auto-sequential number from 1 to a maximum of 4, generated
automatically during creation of a new QoS Profile for the specific Service Profile.
4.6.2.5.2
Uplink/Downlink QoS Type
The type of QoS mechanism in the uplink/downlink when the QoS Profile is used.
In the current release the available options are BE (Best Effort), NRT (Non Real
Time), and ERT (Extended Real Time).
BE (Best Effort) service is designed to support data streams, such as Web
browsing, that do not require a minimum service-level guarantee.
NRT (Non Real Time) is designed to support delay-tolerant data streams, such as
FTP, that require variable-size data grants at a minimum guaranteed rate.
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